Home / 1,434,800.42-1,979,878.05-883,428.56

Finding the Fourth Proportional to 1,434,800.42, 1,979,878.05 and 883,428.56

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Solution

The fourth proportional to 1,434,800.42, 1,979,878.05 and 883,428.56 is: 1,219,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,800.42 : 1,979,878.05 = 883,428.56 : x
  2. Step 2: Convert to fraction form
    1,434,800.42/1,979,878.05 = 883,428.56/x
  3. Step 3: Cross multiply
    1,434,800.42x = 1,979,878.05 × 883,428.56
  4. Step 4: Simplify right side
    1,434,800.42x = 1,749,080,804,787.72
  5. Step 5: Solve for x
    x = 1,749,080,804,787.72/1,434,800.42
  6. Step 6: Final answer
    x = 1,219,041.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.